Data Science Hacks

Some common questions asked for a data scientist interview?

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    • #13081
      Vishal Kumar

      What is Regularization?
      What is NLP (Natural Language Process) and explain few use cases
      What is the difference in the outcome between the L1 and L2 norms?
      How do you fit a non-linear relation between X (age) and Y (income) in a Linear Model? Other methods?
      What is Box-Cox transformation?
      What is Multicollinearity ? How can we solve it?
      Does the Gradient Descent method always converge to the same point?
      Is it necessary that the Gradient Descent Method will always find the global minima?
      How do you find the optimal k (k*) in K-Mean?

    • #16565
      Scott Edwards

      Good list – nice call out on multicollinearity!


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